20123572620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{634013}}^1$

素因数の和:634071

約数の個数: 72

約数和(自身を含む): 58902436656

約数和(自身を除く): 38778864036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 1058, 1380, 1587, 2116, 2645, 3174, 5290, 6348, 7935, 10580, 15870, 31740, 634013, 1268026, 1902039, 2536052, 3170065, 3804078, 6340130, 7608156, 9510195, 12680260, 14582299, 19020390, 29164598, 38040780, 43746897, 58329196, 72911495, 87493794, 145822990, 174987588, 218734485, 291645980, 335392877, 437468970, 670785754, 874937940, 1006178631, 1341571508, 1676964385, 2012357262, 3353928770, 4024714524, 5030893155, 6707857540, 10061786310, 20123572620]

約数ペア:

[(1, 20123572620), (2, 10061786310), (3, 6707857540), (4, 5030893155), (5, 4024714524), (6, 3353928770), (10, 2012357262), (12, 1676964385), (15, 1341571508), (20, 1006178631), (23, 874937940), (30, 670785754), (46, 437468970), (60, 335392877), (69, 291645980), (92, 218734485), (115, 174987588), (138, 145822990), (230, 87493794), (276, 72911495), (345, 58329196), (460, 43746897), (529, 38040780), (690, 29164598), (1058, 19020390), (1380, 14582299), (1587, 12680260), (2116, 9510195), (2645, 7608156), (3174, 6340130), (5290, 3804078), (6348, 3170065), (7935, 2536052), (10580, 1902039), (15870, 1268026), (31740, 634013)]